- Added the policy-recoveryrules module: module to process the recovery rules as policies

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@796396 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 59 insertions, 0 deletions

diff --git a/sandbox/dougsleite/policy-recoveryrules/src/main/java/org/apache/tuscany/sca/policy/recoveryrules/RecoveryRulesPolicyDefinitionsProvider.java b/sandbox/dougsleite/policy-recoveryrules/src/main/java/org/apache/tuscany/sca/policy/recoveryrules/RecoveryRulesPolicyDefinitionsProvider.java
new file mode 100644
index 0000000000..37499cbad7
--- /dev/null
+++ b/sandbox/dougsleite/policy-recoveryrules/src/main/java/org/apache/tuscany/sca/policy/recoveryrules/RecoveryRulesPolicyDefinitionsProvider.java
@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.tuscany.sca.policy.recoveryrules;
+
+import java.net.URI;
+import java.net.URL;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessor;
+import org.apache.tuscany.sca.contribution.processor.URLArtifactProcessorExtensionPoint;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.definitions.SCADefinitions;
+import org.apache.tuscany.sca.provider.SCADefinitionsProvider;
+import org.apache.tuscany.sca.provider.SCADefinitionsProviderException;
+
+public class RecoveryRulesPolicyDefinitionsProvider implements SCADefinitionsProvider {
+
+    private String definitionsFile = "org/apache/tuscany/sca/policy/recoveryrules/definitions.xml";
+    URLArtifactProcessor urlArtifactProcessor = null;
+
+    public RecoveryRulesPolicyDefinitionsProvider(ExtensionPointRegistry registry) {
+        URLArtifactProcessorExtensionPoint documentProcessors = registry.getExtensionPoint(URLArtifactProcessorExtensionPoint.class);
+        urlArtifactProcessor = (URLArtifactProcessor) documentProcessors.getProcessor(SCADefinitions.class);
+    }
+
+    public SCADefinitions getSCADefinition() throws SCADefinitionsProviderException {
+        URL definitionsFileUrl = AccessController.doPrivileged(new PrivilegedAction<URL>() {
+
+            public URL run() {
+                return getClass().getClassLoader().getResource(definitionsFile);
+            }
+        });
+
+        try {
+            URI uri = new URI(definitionsFile);
+            return (SCADefinitions) urlArtifactProcessor.read(null,
+                    uri,
+                    definitionsFileUrl);
+        } catch (Exception e) {
+            throw new SCADefinitionsProviderException(e);
+        }
+    }
+}